{"id":479127,"date":"2023-08-09T10:01:33","date_gmt":"2023-08-09T10:01:33","guid":{"rendered":""},"modified":"2023-09-05T11:18:13","modified_gmt":"2023-09-05T11:18:13","slug":"stack-smashing","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/stack-smashing\/","title":{"rendered":"\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1"},"content":{"rendered":"<p>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc5d0 \ub300\ud55c \uac04\ub7b5\ud55c \uc815\ubcf4<\/p>\n<p>\ubc84\ud37c \uc624\ubc84\ud50c\ub85c\ub77c\uace0\ub3c4 \uc54c\ub824\uc9c4 \uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc740 \ud504\ub85c\uadf8\ub7a8\uc774 \ud574\ub2f9 \ubc84\ud37c\uc5d0 \uc2e4\uc81c\ub85c \ud560\ub2f9\ub41c \uac83\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc2a4\ud0dd\uc5d0 \uc788\ub294 \ubc84\ud37c\uc5d0 \uc4f0\ub294 \uc0c1\ud669\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130\uac00 \uc778\uc811\ud55c \uba54\ubaa8\ub9ac \uc704\uce58\ub97c \ub36e\uc5b4\uc4f0\uac8c \ub429\ub2c8\ub2e4. \uc774\ub294 \uc784\uc758 \ucf54\ub4dc \uc2e4\ud589\uc73c\ub85c \uc774\uc5b4\uc838 \uacf5\uaca9\uc790\uac00 \uc2dc\uc2a4\ud15c\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\uac8c \ud558\ub294 \uc545\uba85 \ub192\uc740 \ucde8\uc57d\uc810\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc758 \uc720\ub798\uc640 \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac<\/h2>\n<p>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc758 \uac1c\ub150\uc740 \ucef4\ud4e8\ud305 \ucd08\uae30\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac11\ub2c8\ub2e4. \ucd5c\ucd08\ub85c \uacf5\uac1c\uc801\uc73c\ub85c \ubb38\uc11c\ud654\ub41c \ubc84\ud37c \uc624\ubc84\ud50c\ub85c \uc0ac\ub840\ub294 1988\ub144\uc758 Morris Worm\uc73c\ub85c UNIX \ud551\uac70 \ub370\ubaac\uc758 \ucde8\uc57d\uc810\uc744 \uc545\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \uc774 \uc0ac\uac74\uc740 \ucef4\ud4e8\ud130 \ubcf4\uc548 \ubd84\uc57c\uc5d0 \ub300\ud55c \uad00\uc2ec\uc744 \ubd88\ub7ec\uc77c\uc73c\ucf30\uace0 \uc5f0\uad6c\uc790\uc640 \uc2e4\ubb34\uc790\ub4e4\uc774 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ucde8\uc57d\uc810\uc5d0 \ub354 \ub9ce\uc740 \uad00\uc2ec\uc744 \uac16\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4: \uc8fc\uc81c \ud655\uc7a5<\/h2>\n<p>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc740 \ucef4\ud4e8\ud305 \uc5ed\uc0ac\uc0c1 \uac00\uc7a5 \ub110\ub9ac \ud37c\uc838 \uc788\uace0 \uc704\ud5d8\ud55c \ucde8\uc57d\uc810 \uc911 \ud558\ub098\uc600\uc2b5\ub2c8\ub2e4. \ubc84\ud37c \ud06c\uae30\ub97c \ucd08\uacfc\ud558\ub294 \ub370\uc774\ud130\ub97c \uc4f0\uba74 \uc778\uc811\ud55c \uba54\ubaa8\ub9ac\ub97c \ub36e\uc5b4\uc4f8 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ub2e4\uc74c\uc744 \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \ubcf4\uc548 \uc704\ud5d8\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\ucf54\ub4dc \uc2e4\ud589<\/strong>: \uacf5\uaca9\uc790\ub294 \ud568\uc218\uc758 \ubc18\ud658 \uc8fc\uc18c\ub97c \ub36e\uc5b4\uc368\uc11c \uc2e4\ud589\uc744 \uc545\uc131 \ucf54\ub4dc\ub85c \ub9ac\ub514\ub809\uc158\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub370\uc774\ud130 \uc190\uc0c1<\/strong>: \uc911\uc694\ud55c \ub370\uc774\ud130 \uad6c\uc870\ub97c \ub36e\uc5b4\uc4f0\uba74 \ud504\ub85c\uadf8\ub7a8\uc774 \uc608\uae30\uce58 \uc54a\uac8c \ub3d9\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc11c\ube44\uc2a4 \uac70\ubd80<\/strong>: \uc911\uc694\ud55c \uc81c\uc5b4 \ub370\uc774\ud130\ub97c \ub36e\uc5b4\uc368\uc11c \ud504\ub85c\uadf8\ub7a8\uc774 \ucda9\ub3cc\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc758 \uc704\ud5d8\uc740 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4, \ucef4\ud30c\uc77c\ub7ec \ubc0f \uc6b4\uc601 \uccb4\uc81c\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \uc694\uc18c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc758 \ub0b4\ubd80 \uad6c\uc870: \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n<p>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc758 \ub0b4\ubd80 \uc791\uc5c5\uc5d0\ub294 \ud504\ub85c\uadf8\ub7a8\uc758 \uc2a4\ud0dd \ub808\uc774\uc544\uc6c3 \ud65c\uc6a9\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc804\uac1c\ub418\ub294 \ubc29\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\ubc84\ud37c \uc0dd\uc131<\/strong>: \uc2a4\ud0dd\uc5d0 \ubc84\ud37c(\uc77c\ubc18\uc801\uc73c\ub85c \ubc30\uc5f4)\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uacfc\ub2e4<\/strong>: \ubc84\ud37c\uc5d0 \uc800\uc7a5\ud560 \uc218 \uc788\ub294 \uac83\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \ub370\uc774\ud130\uac00 \ubc84\ud37c\uc5d0 \uae30\ub85d\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uba54\ubaa8\ub9ac \ub36e\uc5b4\uc4f0\uae30<\/strong>: \ub2e4\ub978 \uc9c0\uc5ed \ubcc0\uc218\ub098 \ubc18\ud658 \uc8fc\uc18c\uc640 \uac19\uc740 \uc778\uc811\ud55c \uba54\ubaa8\ub9ac \uc704\uce58\ub97c \ub36e\uc5b4\uc501\ub2c8\ub2e4.<\/li>\n<li><strong>\ucee8\ud2b8\ub864 \ud558\uc774\uc7ac\ud0b9<\/strong>: \ub36e\uc5b4\uc4f4 \ubc18\ud658 \uc8fc\uc18c\ub85c \uc778\ud574 \uc608\uc0c1\uce58 \ubabb\ud55c \uc81c\uc5b4 \ud750\ub984\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc545\uc131 \ucf54\ub4dc\uac00 \uc2e4\ud589\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc758 \uc8fc\uc694 \ud2b9\uc9d5 \ubd84\uc11d<\/h2>\n<p>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uc758 \uc8fc\uc694 \uae30\ub2a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uacf5\uaca9 \ubca1\ud130<\/strong>: \uc81c\ub300\ub85c \uc81c\uc5b4\ub418\uc9c0 \uc54a\uc740 \uba54\ubaa8\ub9ac \uc4f0\uae30\ub97c \uc545\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc601\ud5a5<\/strong>: \ubb34\ub2e8 \ucf54\ub4dc \uc2e4\ud589, \ub370\uc774\ud130 \uc190\uc0c1 \ub610\ub294 \uc2dc\uc2a4\ud15c \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc644\ud654 \uae30\uc220<\/strong>: \uc2a4\ud0dd \uce74\ub098\ub9ac\uc544, ASLR(Address Space Layout Randomization) \ubc0f \uc801\uc808\ud55c \ucf54\ub529 \ubc29\ubc95\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1 \uc720\ud615: \ud14c\uc774\ube14\uacfc \ubaa9\ub85d \uc0ac\uc6a9<\/h2>\n<p>\ubc84\ud37c \uc624\ubc84\ud50c\ub85c \uacf5\uaca9\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc5ec\ub7ec \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc2a4\ud0dd \uc624\ubc84\ud50c\ub85c<\/td>\n<td>\uc2a4\ud0dd\uc758 \ub85c\uceec \ubc84\ud37c\ub97c \uc624\ubc84\ud50c\ub85c\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ud799 \uc624\ubc84\ud50c\ub85c<\/td>\n<td>\ud799\uc5d0 \ud560\ub2f9\ub41c \ubc84\ud37c\uac00 \uc624\ubc84\ud50c\ub85c\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc815\uc218 \uc624\ubc84\ud50c\ub85c<\/td>\n<td>\uc624\ubc84\ud50c\ub85c\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\uae30 \uc704\ud574 \uc815\uc218 \uc5f0\uc0b0\uc744 \uc774\uc6a9\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ud615\uc2dd \ubb38\uc790\uc5f4<\/td>\n<td>\ud615\uc2dd \ubb38\uc790\uc5f4 \ucde8\uc57d\uc810\uc744 \uc545\uc6a9\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1 \uc0ac\uc6a9 \ubc29\ubc95, \ubb38\uc81c \ubc0f \ud574\uacb0 \ubc29\ubc95<\/h2>\n<h3>\uc0ac\uc6a9 \ubc29\ubc95:<\/h3>\n<ul>\n<li>\ucde8\uc57d\uc810 \ud3c9\uac00\ub97c \uc704\ud55c \uc724\ub9ac\uc801 \ud574\ud0b9.<\/li>\n<li>\ubb34\ub2e8 \uc2dc\uc2a4\ud15c \uc81c\uc5b4\ub97c \uc704\ud55c \ube44\uc724\ub9ac\uc801\uc778 \ud574\ud0b9.<\/li>\n<\/ul>\n<h3>\ubb38\uc81c:<\/h3>\n<ul>\n<li>\ubcf4\uc548 \uc704\ud5d8<\/li>\n<li>\ub370\uc774\ud130 \ubb34\uacb0\uc131 \uc190\uc2e4<\/li>\n<\/ul>\n<h3>\uc194\ub8e8\uc158:<\/h3>\n<ul>\n<li>\uc801\uc808\ud55c \ucf54\ub529 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc2a4\ud0dd \uce74\ub098\ub9ac\uc544 \ubc0f ASLR\uacfc \uac19\uc740 \ub7f0\ud0c0\uc784 \ubc29\uc5b4\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uae30\ud0c0 \uc720\uc0ac \uc6a9\uc5b4\uc640\uc758 \ube44\uad50<\/h2>\n<table>\n<thead>\n<tr>\n<th>\uc6a9\uc5b4<\/th>\n<th>\ud615\uc9c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1<\/td>\n<td>\uc624\ubc84\ud50c\ub85c \uc2a4\ud0dd\uc740 \uc81c\uc5b4 \ud750\ub984\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ud799 \uc2a4\ub9e4\uc2f1<\/td>\n<td>\uc624\ubc84\ud50c\ub85c \ud799\uc73c\ub85c \uc778\ud574 \ub370\uc774\ud130\uac00 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc815\uc218 \uc624\ubc84\ud50c\ub85c<\/td>\n<td>\uc815\uc218 \uc0b0\uc220 \uc624\ub958\uc758 \uacb0\uacfc\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uacfc \uad00\ub828\ub41c \ubbf8\ub798\uc758 \uad00\uc810\uacfc \uae30\uc220<\/h2>\n<p>\ubbf8\ub798 \uae30\uc220\uc740 \ud0d0\uc9c0\uc640 \uc608\ubc29 \ubaa8\ub450\uc5d0 \uc911\uc810\uc744 \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ucde8\uc57d\uc810\uc744 \ud0d0\uc9c0\ud558\ub294 \uae30\uacc4 \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998.<\/li>\n<li>\ubcf4\ub2e4 \uc548\uc804\ud55c \ucf54\ub4dc \uc0dd\uc131\uc744 \uc704\ud55c \uace0\uae09 \ucef4\ud30c\uc77c\ub7ec \uae30\uc220.<\/li>\n<li>\ubcf8\uc9c8\uc801\uc73c\ub85c \uc624\ubc84\ud50c\ub85c \uacf5\uaca9\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub294 \ucc28\uc138\ub300 \ud558\ub4dc\uc6e8\uc5b4 \uc124\uacc4\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc2a4\ud0dd \uc2a4\ub9e4\uc2f1\uacfc \uc0ac\uc6a9\ud558\uac70\ub098 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95<\/h2>\n<p>OneProxy\uc640 \uac19\uc740 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ubcf4\uc548\uc5d0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b8\ub798\ud53d \ud328\ud134\uacfc \uc7a0\uc7ac\uc801\uc778 \uc545\uc131 \ud398\uc774\ub85c\ub4dc\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \ubc84\ud37c \uc624\ubc84\ud50c\ub85c \uacf5\uaca9\uc758 \uc601\ud5a5\uc744 \uac10\uc9c0\ud558\uace0 \uc644\ud654\ud558\ub3c4\ub85d \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.owasp.org\/index.php\/Buffer_Overflow\" target=\"_new\" rel=\"noopener nofollow\">OWASP \ubc84\ud37c \uc624\ubc84\ud50c\ub85c \uc124\uba85<\/a><\/li>\n<li><a href=\"https:\/\/cwe.mitre.org\/data\/definitions\/120.html\" target=\"_new\" rel=\"noopener nofollow\">CWE-120: \uc785\ub825 \ud06c\uae30\ub97c \ud655\uc778\ud558\uc9c0 \uc54a\uace0 \ubc84\ud37c \ubcf5\uc0ac<\/a><\/li>\n<li><a href=\"https:\/\/www.sans.org\/reading-room\/whitepapers\/securecode\/understanding-exploiting-buffer-overflow-attacks-1750\" target=\"_new\" rel=\"noopener nofollow\">SANS Institute: \ubc84\ud37c \uc624\ubc84\ud50c\ub85c \uacf5\uaca9 \uc774\ud574<\/a><\/li>\n<\/ul>","protected":false},"featured_media":479128,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479127","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Stack Smashing<\/mark>","faq_items":[{"question":"What is Stack Smashing?","answer":"<p>Stack Smashing, also known as buffer overflow, is a cybersecurity vulnerability where a program writes more data to a buffer on the stack than it can hold. This can lead to memory corruption and security risks.<\/p>"},{"question":"How did Stack Smashing originate, and when was it first mentioned?","answer":"<p>Stack Smashing has been a concern since the early days of computing. The first documented case was the Morris Worm in 1988, which exploited a buffer overflow vulnerability in UNIX's finger daemon.<\/p>"},{"question":"How does Stack Smashing work internally?","answer":"<p>Stack Smashing exploits the program's stack layout. By overflowing a buffer, adjacent memory locations, such as return addresses, can be overwritten, leading to unintended control flow and potential code execution.<\/p>"},{"question":"What are the key features of Stack Smashing?","answer":"<p>Key features include its attack vector, potential impact (code execution, data corruption), and mitigation techniques like stack canaries and ASLR.<\/p>"},{"question":"What are the types of Stack Smashing attacks?","answer":"<p>There are several types, including Stack Overflow, Heap Overflow, Integer Overflow, and Format String attacks.<\/p>"},{"question":"How can Stack Smashing be used, and what problems does it pose?","answer":"<p>Stack Smashing can be used for ethical hacking (vulnerability assessment) or unethical purposes (unauthorized system control). The main problems are security risks and potential data integrity loss.<\/p>"},{"question":"How can Stack Smashing be mitigated?","answer":"<p>Proper coding practices and runtime defenses like stack canaries and ASLR can help prevent Stack Smashing vulnerabilities.<\/p>"},{"question":"How does Stack Smashing compare with Heap Smashing and Integer Overflow?","answer":"<p>Stack Smashing involves overflows on the stack, while Heap Smashing affects heap-allocated buffers, and Integer Overflow results from arithmetic errors.<\/p>"},{"question":"What are the future perspectives and technologies related to Stack Smashing?","answer":"<p>Future technologies focus on detection and prevention, including machine learning algorithms, advanced compiler techniques, and next-gen hardware designs.<\/p>"},{"question":"How can proxy servers like OneProxy be associated with Stack Smashing?","answer":"<p>Proxy servers like OneProxy can play a crucial role in security by monitoring traffic patterns and detecting potential buffer overflow attacks.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/479127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/479127\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/479128"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=479127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}